Search a number
-
+
14745802191481 is a prime number
BaseRepresentation
bin1101011010010100011001…
…0011010011001001111001
31221012200111022022202101201
43112211012103103021321
53413043400330111411
651210043352214201
73051230503364044
oct326450623231171
957180438282351
1014745802191481
114775728a07699
1217a1a0339a361
1382c6a557152a
1438d9b477bc5b
151a888b0503c1
hexd69464d3279

14745802191481 has 2 divisors, whose sum is σ = 14745802191482. Its totient is φ = 14745802191480.

The previous prime is 14745802191479. The next prime is 14745802191503. The reversal of 14745802191481 is 18419120854741.

14745802191481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11574393277456 + 3171408914025 = 3402116^2 + 1780845^2 .

It is a cyclic number.

It is not a de Polignac number, because 14745802191481 - 21 = 14745802191479 is a prime.

It is a super-2 number, since 2×147458021914812 (a number of 27 digits) contains 22 as substring.

Together with 14745802191479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14745802191881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7372901095740 + 7372901095741.

It is an arithmetic number, because the mean of its divisors is an integer number (7372901095741).

Almost surely, 214745802191481 is an apocalyptic number.

It is an amenable number.

14745802191481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14745802191481 is an equidigital number, since it uses as much as digits as its factorization.

14745802191481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2580480, while the sum is 55.

The spelling of 14745802191481 in words is "fourteen trillion, seven hundred forty-five billion, eight hundred two million, one hundred ninety-one thousand, four hundred eighty-one".